Cedric Pioline defeated Fabrice Santoro 3-6 6-4 6-4 in the Nice round of 32 on clay. The upset overturned the form book — Fabrice Santoro came in defending last year's quarter-final.
Pioline C. came through in three sets.
Cedric Pioline beat Fabrice Santoro 3-6 6-4 6-4. Umpiry, "Cedric Pioline vs Fabrice Santoro — Nice Round of 32", https://umpiry.com/match/1991-04-15/pioline-vs-santoro-nice-r32?utm_source=cite (as of 15 April 1991).